Pillow block bearing housing



FIG. 1 is an isometric view of the left side, top and front of a pillow block bearing housing showing my design;

FIG. 2 is a front view of my pillow block bearing housing design;

FIG. 3 is a top view of my pillow block bearing housing design;

FIG. 4 is a left side view of my pillow block bearing housing design, the right side view being a mirror image thereof; and,

FIG. 5 is a bottom view of my pillow block bearing design. 

The ornamental design for a pillow block bearing housing, as shown and described. 